00367nam a22001097a 4500082002000000100002400020245010600044260004200150300002000192526003700212650000800249  a620.196bSTAcD  aH. R. B Washington   aState of the Art: Theory and Application of Sonic Testing to Bituminous MixturesbH. R. B Washington   aWashingtonbH. R. B Washington c1968  a17 p. :bill. :  a0b0c0d620_196000000000000_STA  aMCE